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15+ SQL scenarios based interview questions answered

Q1 How will you go about identifying duplicate records in a table? A1 The following SQL query will do the trick.… … Read more ›...

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Common Table Expressions (i.e. CTE) in SQL using the “WITH” clause

Common Table Expressions or CTE’s for short are used in SQL to simplify complex joins and subqueries, and to … … Read more ›...

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SQL querying Temporal tables & SCD Type 2

Q1. What is a temporal table? A1. Temporal tables store and maintain information with respect to time. This tracks … … Read more ›...

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SQL retrieving the latest records interview Q&As

This question can reveal a lot about your ability to write SQL queries as different approaches can be used and there … … Read more ›...

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SQL window function for analytics interview questions answered

Data Engineers & analysts must know the Window functions as it is a powerful tool to analyse the data. This post …

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